I think that China is the most leading importer and exporter because it sends out a lot of products like toys. But this might not be right.
The US is the largest importer China is the largest exporter then Germany then the US
the United States
congo
Oil.
The United States is currently the world's largest phosphate exporter.
maple leaf syrup
new zealand
India
Congo
Europe trust me I have already researched this in the past.Europe is not a country.
Morocco
Iran